<!DOCTYPE html>
<html class="reftest-wait">
<link rel="match" href="unclosed-nested-layers-expected.html">
<title>Canvas test: unclosed-nested-layers</title>
<h1>unclosed-nested-layers</h1>
<p class="desc">Check that unclosed nested layers aren't rendered.</p>
<canvas id="canvas" width="1" height="1">
  <p class="fallback">FAIL (fallback content)</p>
</canvas>
<script>
  var placeholder = document.getElementById('canvas');
  var offscreen = placeholder.transferControlToOffscreen();
  const ctx = offscreen.getContext('2d');
  offscreen.width = offscreen.height = 200;

  ctx.fillStyle = 'rgba(0, 0, 255, 1)';
  ctx.fillRect(60, 60, 75, 50);

  ctx.beginLayer();
  ctx.fillStyle = 'rgba(225, 0, 0, 1)';
  ctx.fillRect(50, 50, 75, 50);

  ctx.beginLayer();
  ctx.fillStyle = 'rgba(0, 255, 0, 1)';
  ctx.fillRect(70, 70, 75, 50);

  ctx.endLayer();
  // Missing ctx.endLayer() here.

  function draw () {
    // Wait until frame propagates.
    if(placeholder.width != 200) {
      requestAnimationFrame(draw);
    } else {
      document.documentElement.classList.remove("reftest-wait");
    }
  }
  requestAnimationFrame(draw);
</script>
